Question

an = 3n/3+n how to write formula to find sum of series with given an value ( still series is 3/4 + 6/5 + 9/6 please I beg you don't paste anything here )

the series is 3/4 + 6/5 + 9/6 + 12/7 and so on ​

Answer 1

Answer:

The sum of an arithmetic series is found by multiplying the number of terms times the average of the first and last terms. Example: 3 + 7 + 11 + 15 + ··· + 99 has a1 = 3 and d = 4. To find n, use the explicit formula for an arithmetic sequence.

Step-by-step explanation:

hope it will be helpful to you dear friend

Answer 2

Answer:

This is the correct answer of your question . I think